Spreadsheet::Engine::Function::CHOOSE - Spreadsheet funtion CHOOSE()

Spreadsheet-Engine documentation Contained in the Spreadsheet-Engine distribution.

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NAME

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Spreadsheet::Engine::Function::CHOOSE - Spreadsheet funtion CHOOSE()

SYNOPSIS

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  =CHOOSE(index,value1,value2,...)

DESCRIPTION

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Pick a value from a list by index.

HISTORY

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This is a Modified Version of code extracted from SocialCalc::Functions in SocialCalc 1.1.0

COPYRIGHT

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Portions (c) Copyright 2005, 2006, 2007 Software Garden, Inc. All Rights Reserved.

Portions (c) Copyright 2007 Socialtext, Inc. All Rights Reserved.

Portions (c) Copyright 2008 Tony Bowden

LICENCE

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The contents of this file are subject to the Artistic License 2.0; you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.perlfoundation.org/artistic_license_2_0

Spreadsheet-Engine documentation Contained in the Spreadsheet-Engine distribution. 
package Spreadsheet::Engine::Function::CHOOSE;

use strict;
use warnings;

use base 'Spreadsheet::Engine::Fn::base';

sub argument_count { -2 }

sub result {
  my $self   = shift;
  my $index  = $self->next_operand_as_number;
  my $cindex = $index->is_num ? int $index->value : 1;

  my $count = 0;
  while (my $op = $self->top_of_stack) {
    return $op if ($cindex == ++$count);
  }
  return Spreadsheet::Engine::Error->val;
}

1;

__END__